A Turbo Drain Flange is a metal fitting that is used to connect the turbocharger to the engine's oil system. It is typically made of cast iron or steel and has a threaded outlet that screws into the engine's oil gallery. This helps to prevent the oil from becoming contaminated and causing damage to the turbocharger. It forms a seal around the oil line, which helps to prevent oil leaks.Attributes:• Withstands 35 kPa of oil pressure• Manufactured to precise specifications and is durable and reliableApplications:A Turbo Drain Flange improves airflow to the turbocharger.